class EmployeeAdmin(admin.ModelAdmin):
    form = EmployeeAdminForm

    def save_model(self, request, employee, form, change):
        username=form.cleaned_data['username']
        password=form.cleaned_data['password']
        first_name=form.cleaned_data['first_name']
        last_name=form.cleaned_data['last_name']
        email=form.cleaned_data['email']
        user = User(username=username, password=password, first_name=first_name,
                    last_name=last_name, email=email)
        user.save()
        employee.user = user
        employee.save()